Use of polyalkylkene oxide-containing graft copolymers as solubilizers
AssigneeBASF SE
InventorsJürgen Huff, Helmut Meffert, Folker Ruchatz
Life of this patent
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Abstract
The use of graft copolymers obtainable by grafting a) polyalkylene oxides with b) at least one monomer selected from the group of b1) C1-C30-alkyl esters of monoethylenically unsaturated C3-C8-carboxylic acids; b2) vinyl esters of aliphatic C1-C30-carboxylic acids; b3) C1-C30-alkyl vinyl ethers; b4) N—C1-C12-alkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids; b5) N,N—C1-C12-dialkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids as solubilizer.
Claims12
A pharmaceutical preparation comprising at least one graft copolymer consisting essentially of the copolymer prepared by grafting
- a) a polyalkylene oxide with
- b) at least one monomer selected from the group of
- b1) C1-C30-alkyl esters of monoethylenically unsaturated C3-C30-carboxylic acids:
- b2) vinyl esters of aliphatic C1-C30-carboxylic acids;
- b3) C1-C30-alkyl vinyl ethers;
- b4) N—C1-C30-alkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids;
- and
- b5) N,N—C1-C30-dialkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids as solubilizer.
A cosmetic preparation comprising at least one graft copolymer consisting essential of the copolymer prepared by grafting
- a) a polyalkylene oxide with
- b) at least one monomer selected from the group of
- b1) C1-C30-alkyl esters of monoethylenically unsaturated C3-C8-carboxylic acids:
- b2) vinyl esters of aliphatic C1-C30-carboxylic acids;
- b3) C1-C30-alkyl vinyl ethers;
- b4) N—C1-30-alkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids;
- and
- b5) N,N—C1-C30-dialkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids as solubilizer.
A food product comprising at least one graft copolymer consisting essentially of the copolymers prepared by grafting
- a) a polyalkylene oxide with
- b) at least one monomer selected from the group of
- b1) C1-C30-alkyl esters of monoethylenically unsaturated C3-C8-carboxylic acids;
- b2) vinyl esters of aliphatic C1-C30-carboxylic acids;
- b3) C1-C30-alkyl vinyl ethers;
- b4) N—C1-C30-alkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids;
- and
- b5) N,N—C1-C30-dialkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids as solubilizer.
Dependencies are inferred from the claim text.